JPS56161482A - Water ink composition for writing utensile - Google Patents

Water ink composition for writing utensile

Info

Publication number
JPS56161482A
JPS56161482A JP6575280A JP6575280A JPS56161482A JP S56161482 A JPS56161482 A JP S56161482A JP 6575280 A JP6575280 A JP 6575280A JP 6575280 A JP6575280 A JP 6575280A JP S56161482 A JPS56161482 A JP S56161482A
Authority
JP
Japan
Prior art keywords
hydroquinone
ink
writing
dye
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6575280A
Other languages
Japanese (ja)
Other versions
JPS5757505B2 (en
Inventor
Hisanari Fujita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sakura Color Products Corp
Original Assignee
Sakura Color Products Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sakura Color Products Corp filed Critical Sakura Color Products Corp
Priority to JP6575280A priority Critical patent/JPS56161482A/en
Publication of JPS56161482A publication Critical patent/JPS56161482A/en
Publication of JPS5757505B2 publication Critical patent/JPS5757505B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prevent ink from drying and changing its properties during long-term storage in containers or writing utensils and to prevent clogging etc. inside the writing utensiles, by incorporating hydroquinone (or a derivative) into an aq. soln. of a dye in water ink for writing utensils.
CONSTITUTION: In a water ink compsn. for use in fountain pens, marking pens, etc., 0.001W5wt% (based on the weight of the whole ink compsn.) hydroquinone and/or at least one hydroquinone derivative of the formula [wherein R1, R2 are each H, a 1W4C alkyl, -(CH2CH2O)n group; n is 1W3] are/is incorporated into an aq. soln. of a dye such as Eosine, Direct Deep Black XA or Rhodamine B, to produce the desired compsn. Examples of said hydroquinone derivatives are ethylhydroquinone and hydroquinone monomethyl ether. By the incorporation of hydroquinone, the evaporation of water in said ink is inhibited and the precipitation of the dye is prevented.
COPYRIGHT: (C)1981,JPO&Japio
JP6575280A 1980-05-16 1980-05-16 Water ink composition for writing utensile Granted JPS56161482A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6575280A JPS56161482A (en) 1980-05-16 1980-05-16 Water ink composition for writing utensile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6575280A JPS56161482A (en) 1980-05-16 1980-05-16 Water ink composition for writing utensile

Publications (2)

Publication Number Publication Date
JPS56161482A true JPS56161482A (en) 1981-12-11
JPS5757505B2 JPS5757505B2 (en) 1982-12-04

Family

ID=13296061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6575280A Granted JPS56161482A (en) 1980-05-16 1980-05-16 Water ink composition for writing utensile

Country Status (1)

Country Link
JP (1) JPS56161482A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59168079A (en) * 1983-03-14 1984-09-21 Sakura Color Prod Corp Water-based ink composition for writing utensil
JPS63199782A (en) * 1987-02-16 1988-08-18 Canon Inc Ink for ink jet recording and ink jet recording using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59168079A (en) * 1983-03-14 1984-09-21 Sakura Color Prod Corp Water-based ink composition for writing utensil
JPS63199782A (en) * 1987-02-16 1988-08-18 Canon Inc Ink for ink jet recording and ink jet recording using the same

Also Published As

Publication number Publication date
JPS5757505B2 (en) 1982-12-04

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